<template>
  <div>
    <div style="margin: 10px 0">
      <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search" v-model="name"></el-input>
      <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
      <el-button type="warning" @click="reset">重置</el-button>
    </div>

    <div style="margin: 10px 0">
      <el-button type="primary" @click="handleAdd()">新增 <i class="el-icon-circle-plus-outline"></i></el-button>
      <el-popconfirm
          class="ml-5"
          confirm-button-text='确定'
          cancel-button-text='我再想想'
          icon="el-icon-info"
          icon-color="red"
          title="您确定批量删除这些数据吗？"
          @confirm="delBatch"
      >
        <template #reference>
          <el-button type="danger">批量删除 <i class="el-icon-remove-outline"></i></el-button>
        </template>
      </el-popconfirm>
    </div>

    <el-table :data="tableData" border stripe
              row-key="id" default-expand-all
              @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55"></el-table-column>
      <el-table-column prop="id" label="ID" width="80" sortable></el-table-column>
      <el-table-column prop="name" label="名称"></el-table-column>
      <el-table-column prop="path" label="路径"></el-table-column>
      <el-table-column prop="pagePath" label="页面路径"></el-table-column>
      <el-table-column prop="icon" label="图标">
        <template #default="scope">
          <el-icon style="font-size: 20px">
            <component :is="scope.row.icon"></component>
          </el-icon>
        </template>
      </el-table-column>
      <el-table-column prop="description" label="描述"></el-table-column>
      <el-table-column
          fixed="right"
          label="操作"
          width="350"
          align="center">
        <template #default="scope">

          <el-button type="primary" size="small" @click="handleAdd(scope.row.id)" v-if="!scope.row.pid&&!scope.row.path">新增子菜单</el-button>
          <el-button size="small" @click="handleEdit(scope.row)">编辑</el-button>
          <el-popconfirm title="确认删除吗？" @confirm="del(scope.row.id)">
            <template #reference>
              <el-button size="small" type="danger">删除</el-button>
            </template>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>


    <el-dialog title="用户信息"  v-model="dialogFormVisible" width="20%" >
      <el-form label-width="40px">
        <el-form-item label="名称">
          <el-input v-model="form.name" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="路径">
          <el-input v-model="form.path" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="页面路径">
          <el-input v-model="form.pagePath" autocomplete="off"></el-input>
        </el-form-item>


        <el-form-item label="图标">
          <template #default="scope">
            <el-select clearable v-model="form.icon" placeholder="请选择" style="width: 100%">
              <el-option v-for="item in options" :key="item.name" :label="item.name" :value="item.value">
                <el-icon>
                  <component :is="item.value"></component>
                </el-icon>
                {{item.name}}
              </el-option>
            </el-select>
          </template>
        </el-form-item>
        <el-form-item label="描述">
          <el-input v-model="form.description" autocomplete="off"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import request from "@/utils/request";
import {UserFilled,Grid,House,Document,Expand,User} from "@element-plus/icons";

export default {
  name: "Menu",
  components: {
    Grid,
    UserFilled,
    House,
    Document,
    Expand,
    User
  },
  data() {
    return {
      tableData: [],
      total: 0,
      pageNum: 1,
      pageSize: 10,
      name: "",
      form: {},
      dialogFormVisible: false,
      multipleSelection: [],
      options:[]
    }
  },
  created() {
    this.load()
  },
  methods: {
    load() {
      request.get("/menu/", {
        params: {
          name: this.name,
        }
      }).then(res => {
        this.tableData = res.data
      })
    },
    save() {
      request.post("/menu/save", this.form).then(res => {
        if (res.data) {
          this.$message.success("保存成功")
          this.dialogFormVisible = false
          this.load()
        } else {
          this.$message.error("保存失败")
        }
      })
    },
    handleAdd(pid) {
      this.dialogFormVisible = true
      this.form = {}
      if(pid){
        this.form.pid=pid
      }
      //请求图标数据
      request.get("/menu/icons").then(res =>
      {
        this.options = res.data
      })
    },
    handleEdit(row) {
      this.form = row
      this.dialogFormVisible = true

      //请求图标数据
      request.get("/menu/icons").then(res => {
        this.options = res.data
      })
    },
    del(id) {
      request.delete("/menu/" + id).then(res => {
        if (res.data) {
          this.$message.success("删除成功")
          this.load()
        } else {
          this.$message.error("删除失败")
        }
      })
    },
    handleSelectionChange(val) {
      console.log(val)
      this.multipleSelection = val
    },
    delBatch() {
      let ids = this.multipleSelection.map(v => v.id)  // [{}, {}, {}] => [1,2,3]
      request.post("/menu/del/batch", ids).then(res => {
        if (res.data) {
          this.$message.success("批量删除成功")
          this.load()
        } else {
          this.$message.error("批量删除失败")
        }
      })
    },
    reset() {
      this.name = ""
      this.load()
    },
    handleSizeChange(pageSize) {
      console.log(pageSize)
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(pageNum) {
      console.log(pageNum)
      this.pageNum = pageNum
      this.load()
    },

  }
}
</script>


<style>

</style>